Test Code HCT Hematocrit, Blood
Methodology
Laser Technology
Specimen Requirements
Specimen must arrive within 24 hours of draw.
Draw blood in a lavender-top (EDTA) tube(s) or a CAPIJECT® (EDTA) tube(s), and send EDTA whole blood. Forward unprocessed whole blood promptly.
Specimen Stability Information
Specimen Type |
Temperature |
Time |
Whole blood,EDTA |
RT |
24 hrs |
Refrigerated | 48 hrs |
Reference Values
Hct (%) | ||
Age | Male | Female |
>0d | 41.0-65.0 | 41.0-65.0 |
>14d | 33.0-55.0 | 33.0-55.0 |
>31d | 28.0-42.0 | 28.0-42.0 |
>60d | 32.0-44.0 | 32.0-44.0 |
>120d | 31.0-41.0 | 31.0-41.0 |
>180d | 32.0-40.0 | 32.0-40.0 |
>270d | 33.0-41.0 | 33.0-41.0 |
≥1yr | 33.0-39.0 | 33.0-39.0 |
≥2yr | 34.0-40.0 | 34.0-40.0 |
≥6yr | 35.0-45.0 | 35.0-45.0 |
≥12yr | 37.0-49.0 | 36.0-46.0 |
≥18yr | 38.2-49.2 | 35.2-44.0 |
Critical Values:
0 - 1 month: <30% or >70%
>1 month: <20% or >60%
Reject Due To
Hemolysis |
NA |
Lipemia |
NA |
Icterus |
NA |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
85014
Performing Laboratory
Huntsville Hospital Laboratory/Madison Hospital Laboratory
LOINC Coding
Test Name | LOINC Code |
---|---|
Hematocrit, Blood |
4544-3 |